FIELD: gas and oil production.
SUBSTANCE: method of drilling mud utilisation includes the following stages: drilling mud is cleaned and pressed out in four-stage treatment system; then drilling mud is sent to a trench made in the bed of well site bed; temporary ground tank for drilling sewage is made behind the trench. Four-stage treatment system includes high-performance mud screens, shale shaker-desander, desilter and centrifuge.
EFFECT: reduced harmful effect on environment during well construction.
2 dwg
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